Published Monthly.
Price $6.00 p e r A n n u m .
T H E JOURNAL OF THE
AMERICAN CHEMICAL SOCIETY. VOL. XXIII.—NO. 8.
AUGUST,
1901.
E D W A R D H A R T , Editor, W. F. H I L L E B R A N D , J. H. L O N G , W M . M C M U R T R I E , A R T H U R A. N O Y E S , W. A. N O Y E S , E D G A R F. S M I T H , H. N. S T O K E S , H. P. T A L B O T , H . W. W I L E Y . COMMITTEE ON PAPERS AND PUBLICATIONS.
CONTENTS. Proceedings
( ic>9)-( 114) PAPERS.
R e s e a r c h e s o n N i t r o c e l l u l o s e . B y G. L u n g e T h e E l e c t r o l y t i c S e p a r a t i o n of M e r c u r y f r o m C o p p e r . B y C. R o s c o e Spare and Edgar F. Smith T h e P r e c i p i t a t i o n a n d S e p a r a t i o n of S i l v e r i n t h e E l e c t r o l y t i c W a y . By W. H. Fulweiler and E d g a r F. Smith N o t e s o n t h e A n a l y s i s of E x p l o s i v e s . By F . W . S m i t h An Automatic Filter-Washer. B y J. M . P i c k e l P r e p a r a t i o n of 2 . 5 - D i m e t h y l b e n z a l d e h y d e ; t h e E s t a b l i s h m e n t of I t s C o n s t i t u t i o n a n d P r e p a r a t i o n of S o m e of I t s D e r i v a t i v e s . By E v e r h a r t P. H a r d i n g a n d Lillian Cohen T h e E l e c t r o l y t i c M e t h o d Applied to U r a n i u m . By Lily G a v i t K o l l o c k and Edgar F. Smith ·. Books Received >
REVIEW OF AMERICAN CHEMICAL RESEARCH
EASTON, THE
Entered
CHEMICAL
at the Post-office,
579 582 585 589
594 607 610
119-130
PA.:
PUBLISHING
Baston,
527
Pa.,
COMPANY.
as Second-class
Matter.
E v e r y t h i n g intended for insertion in t h e Journal should be addressed to the Editor, Edward Hart, Easton, Pa. Orders for back numbers of the Journal should be ad dressed to t h e Librarian, E. G. Love, 108 West 55th Street, New York City. Changes of address should be sent to t h e Secretary, A. C. Hale, 352 A Hancock Street, Brooklyn, Ν. Υ.
— OFFICERS OF THE AMERICAN CHEMICAL SOCIETY. ~ President : F . W . C l a r k e , U . S. G e o l o g i c a l S u r v e y , W a s h i n g t o n , D . C. Vice-Presidents : T h e P r e s i d i n g Officers of t h e L o c a l S e c t i o n s ; s e e b e l o w . Secretary : A l b e r t C. H a l e , 352-A H a n c o c k S t . , B r o o k l y n , Ν . Υ . Treasurer : A l b e r t P . H a l l o c k , 440 F i r s t A v e . , 1ST. Y . C i t y . Librarian: E . G . L o v e , 108 W . 5 5 t h S t . , Ν . Υ . C i t y . Committee on Papers and Publications : E d w a r d H a r t , Editor, W. F. Hillebrand, J. H. L o n g W m . M c M u r t r i e , A r t h u r A. N o y e s , W . A. N o y e s , E d g a r F . S m i t h , H . N . S t o k e s , H . P Talbot, H . W. Wiley. Committeeon Membership : W m . M c M u r t r i e ; C. L . R e e s e ; E . G . L o v e . , Finance Cominittee : J . H . W a i n w r i g h t ; D u r a n d W o o d m a n ; C. F . M c K e n n a . I Directors. Members e χ-officio : F . W . C l a r k e , P r e s . ; A l b e r t C. H a l e , S e c . ; A l b e r t Ρ Hallock, Treas. Term expires December, içor : C. F . C h a n d l e r , Ε . E. S m i t h . Ten, December, JQ02 : C. A . D o r e t n u s , C. B . D u d l e y . expires Council. Members ex-officio : F . W . C l a r k e , P r e s . ; A l b e r t C. H a l e , S e c . ; A l b e r t P . H a l l o c k T r e a s . ; E d w a r d H a r t , E d i t o r ; S . W . J o h n s o n , C. F . C h a n d l e r , J . W . M a l l e t , Α . Β P r e s c o t t , C. A . G o e s s m a n n , G . F . B a r k e r , G . C. C a l d w e l l , H . W . W i l e y , E . F . S m i t h C. B . D u d l e y , C. E . M u n r o e , E d w a r d W . M o r l e y , W m . M c M u r t r i e , P a s t P r e s i d e n t s . Councilors at large.— Term expires December, 1901 : T . M . D r o w n , A. A. N o y e s , I r a R e m s e n C. F . M c K e n n a . Term expires December, 1902: C. F . M a b e r y , W . B. R i s i n g , S . Ρ Sadtler, F. P. Venable. Term expires December, 1903 : F . A. G o o c h , W . A . N o y e s T. W . R i c h a r d s , H . L. W e l l s . Councilors from Local Sections.—Rhode Island Section : C. A. C a t l i n . Cincinnati Section T h o m a s E v a n s . Nezv York Section : C. A . D o r e m u s , G . C. S t o n e , A. H . S a b i n , Ε . Ε Smith. Washington Section : W . F . H i l l e b r a n d . Lehigh Valley Section : P o r t e r W Shimer. Chicago Section : J o h n H . L o n g . Nebraska Section : Η . Η . N i c h o l s o n North Carolina Section : C h a r l e s B a s k e r v i l l e . Columbus Section: W m . McPherson North Eastern Section : L . P . K i n n i c u t t , A . D . L i t t l e , H . P . T a l b o t . Philadelphia Section J o h n M a r s h a l l . Michigan Section : E . D . C a m p b e l l . Kansas City Section : J. R . M o e c h e l Local Sections. Rhode Island Section: W a l t e r M. S a u n d e r s , P r e s . Officer; W a l t e r Ε S m i t h , S e c . , 47 J e n k i n s S t . , P r o v i d e n c e , R . I . Cincinnati Section: W m . H . C r a n e , P r e s. Officer; F r a n k I. S h e p h e r d , S e c ., U n i v . of C i n c i n n a t i , C i n c i n n a t i , O . Nezv York Section M a r s t o n T . B o g e r t , P r e s . O f f i c e r ; J. A. M a t h e w s , S e c . , C o l u m b i a U u i v . , N . Y . C i t y Washington Section: V . K . C h e s n u t , P r e s . O f f i c e r ; L . S. M u n s o n , S e c . , D e p t . οf A g r . , W a s h i n g t o n , D . C. Lehigh Valley Section: J o s . W . R i c h a r d s , P r e s . Officer R i c h a r d K . M e a d e , S e c . , L a f a y e t t e C o l l e g e , E a s t o n , P a . Chicago Section : F e l i x L e n g f i e l d P r e s . O f f i c e r ; F . B . D a i n s , S e c . , 2421 D e a r b o r n S t . , C h i c a g o , Ill. NebraskaSectiou: H. H N i c h o l s o n , P r e s . Officer; R . S . H i l t n e r , S e c . , U n i v . of N e b . , L i n c o l n , N e b . North Carolina Section: W . A. W i t h e r s , P r e s . Officer; C. B . W i l l i a m s , S e c . , N . C. D e p t . of Agr. R a l e i g h , N . C . Columbus Section: H . A. W e b e r , P r e s . Officer; W . E . H e n d e r s o n , S e c . , Ohio S t a t e U n i v . , C o l u m b u s , O . North Eastern Section : J o h n A l d e n , P r e s . O f f i c e r ; J a m e s F N o r r i s , S e c . , M a s s . I n s t . T e c h n o l o g y , B o s t o n , M a s s . Philadelphia Section : H . W . J a y n e P r e s . Officer; F . E . D o d g e , S e c . , C a r e B a r r e t t M f g . C o . , T u c k e r a n d B e r m u d a S t r e e t s F r a n k f o r d , P h i l a . Michigan Section: P. C . F r e e r , P r e s . Officer; A l f r e d H . W h i t Sec., 626 F o r e s t A v e . , A n n A r b o r , M i c h . Kansas City Section : E . H . S. B a i l e y , P r e s. Officer.; A r m a n d R . M i l l e r , S e c . , M . T . H i g h S c h o o l , K a n s a s C i t y , M o . PAPERS ACCEPTED FOR PUBLICATION : T h e S u l p h o h a l i d e s of L e a d . B y V i c t o r L e n h e r . S o m e E x p e r i m e n t s w i t h t h e M o n o n i t r o o r t h o p h t h a l i c A c i d s . By M a r s t o n T a ) l o r B o g e r t a n Leopold Boroschek. M e t h o d s of S t a n d a r d i z i n g A c i d S o l u t i o n s . By C y r i l G. H o p k i n s . O n t h e E s t i m a t i o n of U r e a i n L T rine. By J. H . L o n g . Copyright,
rgoi, by Rihvard
Hart,
Chairman of the Committee on Papers and Publications American Chemical Society.
of the
